Hi there Smauskin
With specialist queries like this you have to be patient as there are not so many on here that can reply - if you don't hear immediately someone will always be along even if it's a couple of days later.... especially if there have been no replies! It's a very busy time of year!
ANyway re the Tostran!!! Sounds like you've done your research well anyway. The Chelsea and Westminster Menopausa Clinic recommend twice a week but as you say that will give a large amount at first which will then tail off. T does seem to hang around in the body a little longer I think then Oestrogen gel but I prefer also to take it daily, so your idea of a lentil sized blob sounds good - to start with. Unfortunately the amount dispensed by the pump will be greater than this but you;ll just have to wash the rest away.
Re application site - Annie Evans said to apply to inner thigh but after a few months I felt that was too close to my "bits" as it travels through the skin transversely as well as into the bloodstream so now I apply to inside of knee. Some apply to heel! I get hair growth on my thighs....(as advised I probably would).
I started a thread on my experience of T called "Tesosterone here we go" in Private Lives - so miight be worth having a read ( goes off on a meander sometimes!)?
Hope this helps and good luck
Hurdity x